The FTC's attempt to block Microsoft's acquisition of Activision Blizzard raises uncertainty about the deal's completion, which could affect Activision Blizzard's stock price in the short term. The acquisition could significantly impact the company's future prospects and growth in the gaming industry. However, the outcome of the court proceedings is still uncertain, so the short-term impact on the stock price remains neutral.

Microsoft's acquisition of Activision Blizzard is its largest ever and could significantly impact its growth strategy in the gaming industry. The FTC's attempt to block the deal raises uncertainty about the acquisition's completion, which could affect Microsoft's stock price in the short term. However, the outcome of the court proceedings is still uncertain, so the short-term impact on the stock price remains neutral.